diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 6e8f6777..899d0828 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -82,15 +82,17 @@ dependencies {
 
     coreLibraryDesugaring("com.android.tools:desugar_jdk_libs:1.1.5")
 
+    implementation("androidx.core:core-splashscreen:1.0.0-alpha02")
+
     implementation("androidx.work:work-runtime-ktx:2.6.0")
 
     implementation("androidx.datastore:datastore-preferences:1.0.0")
 
     implementation("androidx.paging:paging-runtime-ktx:3.0.1")
 
-    implementation("androidx.appcompat:appcompat:1.4.0-alpha03")
-    implementation("com.google.android.material:material:1.5.0-alpha03")
-    implementation("androidx.core:core-ktx:1.7.0-beta01")
+    implementation("androidx.appcompat:appcompat:1.4.0-beta01")
+    implementation("com.google.android.material:material:1.5.0-alpha04")
+    implementation("androidx.core:core-ktx:1.7.0-beta02")
     implementation("androidx.preference:preference-ktx:1.1.1")
     implementation("androidx.swiperefreshlayout:swiperefreshlayout:1.2.0-alpha01")
     implementation("androidx.recyclerview:recyclerview:1.2.1")
@@ -118,16 +120,16 @@ dependencies {
     implementation("com.squareup.retrofit2:retrofit:2.9.0")
     implementation("com.squareup.retrofit2:converter-gson:2.9.0")
 
-    implementation("com.google.dagger:hilt-android:2.38.1")
-    kapt("com.google.dagger:hilt-android-compiler:2.38.1")
+    implementation("com.google.dagger:hilt-android:2.39.1")
+    kapt("com.google.dagger:hilt-android-compiler:2.39.1")
     implementation("androidx.hilt:hilt-navigation-fragment:1.0.0")
 
     implementation("com.github.yogacp:android-viewbinding:1.0.3")
 
-    implementation("io.coil-kt:coil:1.3.2")
+    implementation("io.coil-kt:coil:1.4.0")
 
     implementation("com.google.code.gson:gson:2.8.8")
-    implementation("org.jsoup:jsoup:1.14.2")
+    implementation("org.jsoup:jsoup:1.14.3")
     implementation("ch.acra:acra:4.11.1")
 
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/com/meloda/fast/activity/MainActivity.kt b/app/src/main/kotlin/com/meloda/fast/activity/MainActivity.kt
index d7f095d2..e02414e4 100644
--- a/app/src/main/kotlin/com/meloda/fast/activity/MainActivity.kt
+++ b/app/src/main/kotlin/com/meloda/fast/activity/MainActivity.kt
@@ -1,8 +1,17 @@
 package com.meloda.fast.activity
 
+import android.os.Bundle
+import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import com.meloda.fast.R
 import com.meloda.fast.base.BaseActivity
 import dagger.hilt.android.AndroidEntryPoint
 
 @AndroidEntryPoint
-class MainActivity : BaseActivity(R.layout.activity_main)
\ No newline at end of file
+class MainActivity : BaseActivity(R.layout.activity_main) {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        installSplashScreen()
+        super.onCreate(savedInstanceState)
+    }
+
+}
\ No newline at end of file
diff --git a/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsDataSource.kt b/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsDataSource.kt
index 515dd4b5..838a5a8f 100644
--- a/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsDataSource.kt
+++ b/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsDataSource.kt
@@ -13,7 +13,9 @@ class ConversationsDataSource @Inject constructor(
 
     suspend fun delete(params: ConversationsDeleteRequest) = repo.delete(params.map)
 
+    suspend fun pin(params: ConversationsPinRequest) = repo.pin(params.map)
 
+    suspend fun unpin(params: ConversationsUnpinRequest) = repo.unpin(params.map)
 
     suspend fun store(conversations: List<VkConversation>) = dao.insert(conversations)
 
diff --git a/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsRequest.kt b/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsRequest.kt
index 81fdca5d..9bd9a622 100644
--- a/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsRequest.kt
+++ b/app/src/main/kotlin/com/meloda/fast/api/network/conversations/ConversationsRequest.kt
@@ -28,4 +28,14 @@ data class ConversationsGetRequest(
 @Parcelize
 data class ConversationsDeleteRequest(val peerId: Int) : Parcelable {
     val map get() = mapOf("peer_id" to peerId.toString())
+}
+
+@Parcelize
+data class ConversationsPinRequest(val peerId: Int) : Parcelable {
+    val map get() = mapOf("peer_id" to peerId.toString())
+}
+
+@Parcelize
+data class ConversationsUnpinRequest(val peerId: Int) : Parcelable {
+    val map get() = mapOf("peer_id" to peerId.toString())
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsFragment.kt b/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsFragment.kt
index a807c83e..e63621a3 100644
--- a/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsFragment.kt
+++ b/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsFragment.kt
@@ -187,6 +187,9 @@ class ConversationsFragment :
 
             is ConversationsLoaded -> refreshConversations(event)
             is ConversationsDelete -> deleteConversation(event.peerId)
+
+            // TODO: 10-Oct-21 remove this and sort conversations list
+            is ConversationsPin, is ConversationsUnpin -> viewModel.loadConversations()
         }
     }
 
@@ -240,13 +243,19 @@ class ConversationsFragment :
     private fun fillRecyclerView(values: List<VkConversation>) {
         adapter.values.clear()
         adapter.values += values
-        adapter.notifyItemRangeChanged(0, adapter.itemCount)
+        adapter.submitList(values)
     }
 
     private fun onItemClick(position: Int) {
         val conversation = adapter[position]
-        val user = if (conversation.isUser()) adapter.profiles[conversation.id] else null
-        val group = if (conversation.isGroup()) adapter.groups[conversation.id] else null
+
+        val user =
+            if (conversation.isUser()) adapter.profiles[conversation.id]
+            else null
+
+        val group =
+            if (conversation.isGroup()) adapter.groups[conversation.id]
+            else null
 
         findNavController().navigate(
             R.id.toMessagesHistory,
@@ -266,15 +275,36 @@ class ConversationsFragment :
     private fun showOptionsDialog(position: Int) {
         val conversation = adapter[position]
 
+        var canPinOneMoreDialog = true
+        if (adapter.itemCount > 4) {
+            val firstFiveDialogs = adapter.values.subList(0, 5)
+            var pinnedCount = 0
+
+            firstFiveDialogs.forEach { if (it.isPinned) pinnedCount++ }
+            if (pinnedCount == 5 && position > 4) {
+                canPinOneMoreDialog = false
+            }
+        }
+
+        val pin = getString(
+            if (conversation.isPinned) R.string.conversation_context_action_unpin
+            else R.string.conversation_context_action_pin
+        )
+
         val delete = getString(R.string.conversation_context_action_delete)
 
-        val params = mutableListOf(delete)
+        val params = mutableListOf<String>()
+
+        if (canPinOneMoreDialog) params += pin
+
+        params += delete
 
         val arrayParams = params.toTypedArray()
 
         MaterialAlertDialogBuilder(requireContext())
             .setItems(arrayParams) { _, which ->
                 when (params[which]) {
+                    pin -> showPinConversationDialog(conversation)
                     delete -> showDeleteConversationDialog(conversation.id)
                 }
             }.show()
@@ -295,4 +325,24 @@ class ConversationsFragment :
         adapter.notifyItemRemoved(index)
     }
 
+    private fun showPinConversationDialog(conversation: VkConversation) {
+        val isPinned = conversation.isPinned
+        MaterialAlertDialogBuilder(requireContext())
+            .setTitle(
+                if (isPinned) R.string.confirm_unpin_conversation
+                else R.string.confirm_pin_conversation
+            )
+            .setPositiveButton(
+                if (isPinned) R.string.action_unpin
+                else R.string.action_pin
+            ) { _, _ ->
+                viewModel.pinConversation(
+                    peerId = conversation.id,
+                    pin = !isPinned
+                )
+            }
+            .setNegativeButton(android.R.string.cancel, null)
+            .show()
+    }
+
 }
\ No newline at end of file
diff --git a/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsViewModel.kt b/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsViewModel.kt
index 866d7f80..c750edd0 100644
--- a/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsViewModel.kt
+++ b/app/src/main/kotlin/com/meloda/fast/screens/conversations/ConversationsViewModel.kt
@@ -6,9 +6,7 @@ import com.meloda.fast.api.VKConstants
 import com.meloda.fast.api.model.VkConversation
 import com.meloda.fast.api.model.VkGroup
 import com.meloda.fast.api.model.VkUser
-import com.meloda.fast.api.network.conversations.ConversationsDataSource
-import com.meloda.fast.api.network.conversations.ConversationsDeleteRequest
-import com.meloda.fast.api.network.conversations.ConversationsGetRequest
+import com.meloda.fast.api.network.conversations.*
 import com.meloda.fast.api.network.users.UsersDataSource
 import com.meloda.fast.api.network.users.UsersGetRequest
 import com.meloda.fast.base.viewmodel.BaseViewModel
@@ -34,7 +32,7 @@ class ConversationsViewModel @Inject constructor(
                     count = 30,
                     extended = true,
                     offset = offset,
-                    fields = "${VKConstants.ALL_FIELDS}"
+                    fields = VKConstants.ALL_FIELDS
                 )
             )
         },
@@ -88,6 +86,23 @@ class ConversationsViewModel @Inject constructor(
             )
         }, onAnswer = { sendEvent(ConversationsDelete(peerId)) })
     }
+
+    fun pinConversation(
+        peerId: Int,
+        pin: Boolean
+    ) = viewModelScope.launch {
+        if (pin) {
+            makeJob(
+                { conversations.pin(ConversationsPinRequest(peerId)) },
+                onAnswer = { sendEvent(ConversationsPin(peerId)) }
+            )
+        } else {
+            makeJob(
+                { conversations.unpin(ConversationsUnpinRequest(peerId)) },
+                onAnswer = { sendEvent(ConversationsUnpin(peerId)) }
+            )
+        }
+    }
 }
 
 data class ConversationsLoaded(
@@ -99,4 +114,8 @@ data class ConversationsLoaded(
     val groups: HashMap<Int, VkGroup>
 ) : VkEvent()
 
-data class ConversationsDelete(val peerId: Int) : VkEvent()
\ No newline at end of file
+data class ConversationsDelete(val peerId: Int) : VkEvent()
+
+data class ConversationsPin(val peerId: Int) : VkEvent()
+
+data class ConversationsUnpin(val peerId: Int) : VkEvent()
\ No newline at end of file
diff --git a/app/src/main/res/values/ic_launcher_background.xml b/app/src/main/res/values/ic_launcher_background.xml
index f1503161..0deb0bf0 100644
--- a/app/src/main/res/values/ic_launcher_background.xml
+++ b/app/src/main/res/values/ic_launcher_background.xml
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <color name="ic_launcher_background">#4184F5</color>
+    <!--    <color name="ic_launcher_background">#4184F5</color>-->
+    <color name="ic_launcher_background">@color/a1_500</color>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1fabaf95..989b5d0a 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -134,4 +134,10 @@
     <string name="confirm_delete_conversation">Delete the conversation?</string>
     <string name="action_sign_out">Sign out</string>
     <string name="sign_out_confirm_title">Sign out</string>
+    <string name="conversation_context_action_unpin">Unpin</string>
+    <string name="conversation_context_action_pin">Pin</string>
+    <string name="confirm_unpin_conversation">Unpin the conversation?</string>
+    <string name="confirm_pin_conversation">Pin the conversation?</string>
+    <string name="action_pin">Pin</string>
+    <string name="action_unpin">Unpin</string>
 </resources>
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 145b8b2f..517ae724 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -41,5 +41,10 @@
         <item name="dialogCornerRadius">12dp</item>
     </style>
 
+    <style name="AppTheme.Splash" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/colorBackground</item>
+        <item name="windowSplashScreenAnimatedIcon">@mipmap/ic_launcher</item>
+        <item name="postSplashScreenTheme">@style/AppTheme</item>
+    </style>
 
 </resources>
\ No newline at end of file